Which one of the following compounds is aromatic?

Chemistry
10th Edition
ISBN:9781305957404
Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste
Chapter1: Chemical Foundations
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Choose the correct answer: Which one of the following compounds is aromatic?
H.
B.
N.
III
IV
II
O IV
none of these
Transcribed Image Text:Choose the correct answer: Which one of the following compounds is aromatic? H. B. N. III IV II O IV none of these
Expert Solution
Condition for aromaticity

A compound is said to be aromatic if it follows the following conditions : 

1) Cyclic

2) Planar

3) Conjugated 

4) Follows Huckel's rule , that is  (4n +2) π electrons rule , where n =0 , 1, 2 etc.

 

If a compound is cyclic , planar, conjugated and if follows (4n) π electrons rule , then it is an antiaromatic compound .

 

** Here considering the given compounds , all are 7 membered rings , which are planar in nature .

 

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